Combining activity-evaluation information with NMF for trust-link prediction in social media. - Kanji Matsutani; Masahito Kumano; Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (IEEE BigData, 2015)

Discovering Cooperative Structure Among Online Items for Attention Dynamics. - Kanji Matsutani; Masahito Kumano; Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (ICDM Workshops, 2017)

Discovering Spatio-Temporal Latent Influence in Geographical Attention Dynamics. - Minoru Higuchi; Kanji Matsutani; Masahito Kumano; Masahiro Kimura (ECML/PKDD (2), 2018)